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libbacktrace: treat EACCESS like ENOENT

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For https://gcc.gnu.org/PR95061
This commit is contained in:
Ian Lance Taylor
2020-05-13 10:18:45 -07:00
parent 14465a9574
commit d68a7ac6dd
1 changed files with 5 additions and 1 deletions
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6
posix.c
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@@ -67,7 +67,11 @@ backtrace_open (const char *filename, backtrace_error_callback error_callback,
descriptor = open (filename, (int) (O_RDONLY | O_BINARY | O_CLOEXEC));
if (descriptor < 0)
{
if (does_not_exist != NULL && errno == ENOENT)
/* If DOES_NOT_EXIST is not NULL, then don't call ERROR_CALLBACK
if the file does not exist. We treat lacking permission to
open the file as the file not existing; this case arises when
running the libgo syscall package tests as root. */
if (does_not_exist != NULL && (errno == ENOENT || errno == EACCES))
*does_not_exist = 1;
else
error_callback (data, filename, errno);